{"id":109851,"date":"2025-05-20T23:34:14","date_gmt":"2025-05-20T19:04:14","guid":{"rendered":"https:\/\/nabfollower.com\/blog\/javascripts-building-blocks-a-beginners-guide-to-data-types-52c\/"},"modified":"2025-05-20T23:34:14","modified_gmt":"2025-05-20T19:04:14","slug":"javascripts-building-blocks-a-beginners-guide-to-data-types-52c","status":"publish","type":"post","link":"https:\/\/nabfollower.com\/blog\/javascripts-building-blocks-a-beginners-guide-to-data-types-52c\/","title":{"rendered":"\u0628\u0644\u0648\u06a9 \u0647\u0627\u06cc \u0633\u0627\u062e\u062a\u0645\u0627\u0646\u06cc JavaScript: \u0631\u0627\u0647\u0646\u0645\u0627\u06cc \u0645\u0628\u062a\u062f\u06cc \u0628\u0631\u0627\u06cc \u0627\u0646\u0648\u0627\u0639 \u062f\u0627\u062f\u0647 \u0647\u0627"},"content":{"rendered":"<div data-article-id=\"2507197\" id=\"article-body\">\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter-rtl ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u0641\u0647\u0631\u0633\u062a \u0645\u0637\u0627\u0644\u0628<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/nabfollower.com\/blog\/javascripts-building-blocks-a-beginners-guide-to-data-types-52c\/#%D9%85%D9%82%D8%AF%D9%85%D9%87\" >\u0645\u0642\u062f\u0645\u0647<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/nabfollower.com\/blog\/javascripts-building-blocks-a-beginners-guide-to-data-types-52c\/#%D8%A8%D9%87_%D9%87%D8%B1_%D8%AD%D8%A7%D9%84_%D8%A7%D9%86%D9%88%D8%A7%D8%B9_%D8%AF%D8%A7%D8%AF%D9%87_%D9%87%D8%A7_%DA%86%DB%8C%D8%B3%D8%AA%D8%9F\" >\u0628\u0647 \u0647\u0631 \u062d\u0627\u0644 \u0627\u0646\u0648\u0627\u0639 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0686\u06cc\u0633\u062a\u061f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/nabfollower.com\/blog\/javascripts-building-blocks-a-beginners-guide-to-data-types-52c\/#%D8%A7%D9%86%D9%88%D8%A7%D8%B9_%D8%AF%D8%A7%D8%AF%D9%87_%D9%87%D8%A7%DB%8C_%D8%A7%D8%A8%D8%AA%D8%AF%D8%A7%DB%8C%DB%8C_%D8%AF%D8%B1_JavaScript\" >\u0627\u0646\u0648\u0627\u0639 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0627\u0628\u062a\u062f\u0627\u06cc\u06cc \u062f\u0631 JavaScript<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/nabfollower.com\/blog\/javascripts-building-blocks-a-beginners-guide-to-data-types-52c\/#1_%D8%B1%D8%B4%D8%AA%D9%87\" >1. \u0631\u0634\u062a\u0647<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/nabfollower.com\/blog\/javascripts-building-blocks-a-beginners-guide-to-data-types-52c\/#%D8%B4%D9%85%D8%A7%D8%B1%D9%87_2\" >\u0634\u0645\u0627\u0631\u0647 2<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/nabfollower.com\/blog\/javascripts-building-blocks-a-beginners-guide-to-data-types-52c\/#3_%D8%A8%D9%88%D9%84%DB%8C\" >3. \u0628\u0648\u0644\u06cc<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/nabfollower.com\/blog\/javascripts-building-blocks-a-beginners-guide-to-data-types-52c\/#4\" >4<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/nabfollower.com\/blog\/javascripts-building-blocks-a-beginners-guide-to-data-types-52c\/#5_%D8%AA%D8%B9%D8%B1%DB%8C%D9%81_%D9%86%D8%B4%D8%AF%D9%87\" >5. \u062a\u0639\u0631\u06cc\u0641 \u0646\u0634\u062f\u0647<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/nabfollower.com\/blog\/javascripts-building-blocks-a-beginners-guide-to-data-types-52c\/#6_BIGINT\" >6. BIGINT<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/nabfollower.com\/blog\/javascripts-building-blocks-a-beginners-guide-to-data-types-52c\/#7_%D9%86%D9%85%D8%A7%D8%AF\" >7. \u0646\u0645\u0627\u062f<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/nabfollower.com\/blog\/javascripts-building-blocks-a-beginners-guide-to-data-types-52c\/#%D8%A8%D8%B1%D8%B1%D8%B3%DB%8C_%D8%A7%D9%86%D9%88%D8%A7%D8%B9_%D8%AF%D8%A7%D8%AF%D9%87_%D9%87%D8%A7_%D8%A7%D9%BE%D8%B1%D8%A7%D8%AA%D9%88%D8%B1_%D9%86%D9%88%D8%B9\" >\u0628\u0631\u0631\u0633\u06cc \u0627\u0646\u0648\u0627\u0639 \u062f\u0627\u062f\u0647 \u0647\u0627: \u0627\u067e\u0631\u0627\u062a\u0648\u0631 \u0646\u0648\u0639<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/nabfollower.com\/blog\/javascripts-building-blocks-a-beginners-guide-to-data-types-52c\/#%DA%86%D8%B1%D8%A7_%D8%A7%D9%86%D9%88%D8%A7%D8%B9_%D8%AF%D8%A7%D8%AF%D9%87_%D9%87%D8%A7_%D8%A7%D9%87%D9%85%DB%8C%D8%AA_%D8%AF%D8%A7%D8%B1%D9%86%D8%AF%D8%9F_%D8%A7%D9%87%D9%85%DB%8C%D8%AA_%D8%AF%D8%A7%D9%86%D8%B3%D8%AA%D9%86\" >\u0686\u0631\u0627 \u0627\u0646\u0648\u0627\u0639 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0627\u0647\u0645\u06cc\u062a \u062f\u0627\u0631\u0646\u062f\u061f \u0627\u0647\u0645\u06cc\u062a \u062f\u0627\u0646\u0633\u062a\u0646<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/nabfollower.com\/blog\/javascripts-building-blocks-a-beginners-guide-to-data-types-52c\/#Beyond_Primitives_%DB%8C%DA%A9_%DB%8C%D8%A7%D8%AF%D8%AF%D8%A7%D8%B4%D8%AA_%D8%B3%D8%B1%DB%8C%D8%B9_%D8%AF%D8%B1_%D9%85%D9%88%D8%B1%D8%AF_%D8%A7%D8%B4%DB%8C%D8%A7%D8%A1\" >Beyond Primitives: \u06cc\u06a9 \u06cc\u0627\u062f\u062f\u0627\u0634\u062a \u0633\u0631\u06cc\u0639 \u062f\u0631 \u0645\u0648\u0631\u062f \u0627\u0634\u06cc\u0627\u0621<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/nabfollower.com\/blog\/javascripts-building-blocks-a-beginners-guide-to-data-types-52c\/#%D9%BE%D8%A7%DB%8C%D8%A7%D9%86\" >\u067e\u0627\u06cc\u0627\u0646<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/nabfollower.com\/blog\/javascripts-building-blocks-a-beginners-guide-to-data-types-52c\/#%D9%85%D9%86%D8%A7%D8%A8%D8%B9\" >\u0645\u0646\u0627\u0628\u0639<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"%D9%85%D9%82%D8%AF%D9%85%D9%87\"><\/span>\n<p>  <strong>\u0645\u0642\u062f\u0645\u0647<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062f\u0631 \u0622\u062e\u0631\u06cc\u0646 \u0645\u0627\u062c\u0631\u0627\u062c\u0648\u06cc\u06cc \u0645\u0627 \u060c \u0645\u062a\u063a\u06cc\u0631\u0647\u0627\u06cc JavaScript \u0631\u0627 \u0645\u0648\u0631\u062f \u0628\u0631\u0631\u0633\u06cc \u0642\u0631\u0627\u0631 \u062f\u0627\u062f\u06cc\u0645 &#8211; \u0638\u0631\u0648\u0641 \u0646\u0627\u0645\u06af\u0630\u0627\u0631\u06cc \u0634\u062f\u0647 \u06a9\u0647 \u062f\u0631 \u0628\u0631\u0646\u0627\u0645\u0647 \u0647\u0627\u06cc \u0645\u0627 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u062f\u0627\u0631\u0646\u062f. \u062d\u0627\u0644 \u060c \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0628\u0647 \u062f\u0627\u062e\u0644 \u0622\u0646 \u0638\u0631\u0648\u0641 \u0646\u06af\u0627\u0647 \u06a9\u0646\u06cc\u0645! \u0686\u0647 \u0646\u0648\u0639 \u0627\u0637\u0644\u0627\u0639\u0627\u062a\u06cc \u0631\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646 \u0630\u062e\u06cc\u0631\u0647 \u06a9\u0631\u062f\u061f 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\u0645\u0624\u062b\u0631\u062a\u0631 \u0648 \u0628\u062f\u0648\u0646 \u0627\u0634\u06a9\u0627\u0644 \u0631\u0627 \u0628\u0646\u0648\u06cc\u0633\u06cc\u0645.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%D8%A8%D9%87_%D9%87%D8%B1_%D8%AD%D8%A7%D9%84_%D8%A7%D9%86%D9%88%D8%A7%D8%B9_%D8%AF%D8%A7%D8%AF%D9%87_%D9%87%D8%A7_%DA%86%DB%8C%D8%B3%D8%AA%D8%9F\"><\/span>\n<p>  <strong>\u0628\u0647 \u0647\u0631 \u062d\u0627\u0644 \u0627\u0646\u0648\u0627\u0639 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0686\u06cc\u0633\u062a\u061f<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062f\u0631 \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u060c \u06cc\u06a9 \u0646\u0648\u0639 \u062f\u0627\u062f\u0647 \u06cc\u06a9 \u0637\u0628\u0642\u0647 \u0628\u0646\u062f\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0645\u0634\u062e\u0635 \u0645\u06cc \u06a9\u0646\u062f \u06a9\u062f\u0627\u0645 \u0646\u0648\u0639 \u0627\u0632 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0645\u062a\u063a\u06cc\u0631 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0646\u06af\u0647 \u062f\u0627\u0634\u062a\u0647 \u0634\u0648\u062f \u0648 \u0686\u0647 \u0646\u0648\u0639 \u0639\u0645\u0644\u06cc\u0627\u062a \u0631\u06cc\u0627\u0636\u06cc \u060c \u0631\u0627\u0628\u0637\u0647 \u0627\u06cc \u06cc\u0627 \u0645\u0646\u0637\u0642\u06cc \u0631\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646 \u0628\u062f\u0648\u0646 \u0627\u06cc\u062c\u0627\u062f \u062e\u0637\u0627 \u0628\u0631\u0627\u06cc \u0622\u0646 \u0627\u0639\u0645\u0627\u0644 \u06a9\u0631\u062f. \u0647\u0631 \u0628\u062e\u0634 \u0627\u0632 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u06cc\u0627 &#8220;\u0645\u0642\u062f\u0627\u0631&#8221; \u062f\u0631 \u06a9\u062f \u0634\u0645\u0627 \u0646\u0648\u0639 \u062f\u0627\u062f\u0647 \u0627\u06cc \u062f\u0627\u0631\u062f.<br \/>\u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u06cc\u06a9 \u0627\u0633\u062a <strong>\u062f\u06cc\u0646\u0627\u0645\u06cc\u06a9\u06cc \u062a\u0627\u06cc\u067e \u0634\u062f\u0647<\/strong> \u0632\u0628\u0627\u0646 \u0627\u06cc\u0646 \u0628\u062f\u0627\u0646 \u0645\u0639\u0646\u0627\u0633\u062a \u06a9\u0647 \u0634\u0645\u0627 \u0644\u0627\u0632\u0645 \u0646\u06cc\u0633\u062a \u0647\u0646\u06af\u0627\u0645 \u0627\u06cc\u062c\u0627\u062f \u0622\u0646 \u060c \u0646\u0648\u0639 \u062f\u0627\u062f\u0647 \u0645\u062a\u063a\u06cc\u0631 \u0631\u0627 \u0627\u0639\u0644\u0627\u0645 \u06a9\u0646\u06cc\u062f. JavaScript \u0628\u0647 \u0637\u0648\u0631 \u062e\u0648\u062f\u06a9\u0627\u0631 \u0646\u0648\u0639 \u062f\u0627\u062f\u0647 \u06cc\u06a9 \u0645\u062a\u063a\u06cc\u0631 \u0631\u0627 \u0628\u0631 \u0627\u0633\u0627\u0633 \u0645\u0642\u062f\u0627\u0631\u06cc \u06a9\u0647 \u062f\u0631 \u0632\u0645\u0627\u0646 \u0627\u062c\u0631\u0627 \u0628\u0647 \u0622\u0646 \u0627\u062e\u062a\u0635\u0627\u0635 \u0645\u06cc \u062f\u0647\u06cc\u062f \u062a\u0639\u06cc\u06cc\u0646 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>let myData = \"Hello, learners!\"; \/\/ JavaScript knows this is a string\nmyData = 42;                    \/\/ Now, JavaScript knows myData is a number\nconsole.log(typeof myData);     \/\/ The 'typeof' operator will tell us the current type\n\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0628\u0639\u062f\u0627\u064b \u0628\u0647 \u0627\u067e\u0631\u0627\u062a\u0648\u0631 TypeOF \u0628\u06cc\u0634\u062a\u0631 \u0646\u06af\u0627\u0647 \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f!<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%D8%A7%D9%86%D9%88%D8%A7%D8%B9_%D8%AF%D8%A7%D8%AF%D9%87_%D9%87%D8%A7%DB%8C_%D8%A7%D8%A8%D8%AA%D8%AF%D8%A7%DB%8C%DB%8C_%D8%AF%D8%B1_JavaScript\"><\/span>\n<p>  <strong>\u0627\u0646\u0648\u0627\u0639 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0627\u0628\u062a\u062f\u0627\u06cc\u06cc \u062f\u0631 JavaScript<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>JavaScript \u062f\u0627\u0631\u0627\u06cc \u0647\u0641\u062a \u0646\u0648\u0639 \u062f\u0627\u062f\u0647 \u0628\u062f\u0648\u06cc \u0627\u0633\u062a. \u0627\u0628\u062a\u062f\u0627\u06cc\u06cc &#8220;\u0628\u062f\u0648\u06cc&#8221; \u0647\u0633\u062a\u0646\u062f \u0632\u06cc\u0631\u0627 \u0622\u0646\u0647\u0627 \u0627\u0633\u0627\u0633\u06cc \u062a\u0631\u06cc\u0646 \u0627\u0646\u0648\u0627\u0639 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0645\u0648\u062c\u0648\u062f \u0647\u0633\u062a\u0646\u062f \u0648 \u062a\u063a\u06cc\u06cc\u0631 \u0646\u0627\u067e\u0630\u06cc\u0631 \u0647\u0633\u062a\u0646\u062f (\u0628\u0647 \u0627\u06cc\u0646 \u0645\u0639\u0646\u06cc \u06a9\u0647 \u0645\u0642\u062f\u0627\u0631 \u0648\u0627\u0642\u0639\u06cc \u0622\u0646\u0647\u0627 \u0642\u0627\u0628\u0644 \u062a\u063a\u06cc\u06cc\u0631 \u0646\u06cc\u0633\u062a \u060c \u0627\u06af\u0631\u0686\u0647 \u0645\u062a\u063a\u06cc\u0631 \u0646\u06af\u0647 \u062f\u0627\u0634\u062a\u0646 \u0622\u0646\u0647\u0627 \u0631\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646 \u0628\u0647 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u0628\u062f\u0648\u06cc \u062c\u062f\u06cc\u062f \u0648\u0627\u06af\u0630\u0627\u0631 \u06a9\u0631\u062f).<br \/>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0647\u0631\u06a9\u062f\u0627\u0645 \u0631\u0627 \u06a9\u0634\u0641 \u06a9\u0646\u06cc\u0645:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1_%D8%B1%D8%B4%D8%AA%D9%87\"><\/span>\n<p>  <strong>1. \u0631\u0634\u062a\u0647<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>\n<strong>\u0645\u0642\u0627\u06cc\u0633\u0647<\/strong>: \u06cc\u06a9 \u062c\u0639\u0628\u0647 \u0628\u0631\u0686\u0633\u0628 \u0628\u0631\u0627\u06cc \u0646\u06af\u0647 \u062f\u0627\u0634\u062a\u0646 \u0645\u062a\u0646.<\/li>\n<li>\n<strong>\u062a\u0639\u0631\u06cc\u0641<\/strong>: \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0645\u062a\u0646\u06cc \u0631\u0627 \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f. \u0631\u0634\u062a\u0647 \u0647\u0627 \u062a\u0648\u0627\u0644\u06cc \u0634\u062e\u0635\u06cc\u062a \u0647\u0627\u06cc \u0645\u062d\u0635\u0648\u0631 \u0634\u062f\u0647 \u062f\u0631 \u0646\u0642\u0644 \u0642\u0648\u0644 \u0647\u0627\u06cc \u0645\u0646\u0641\u0631\u062f (&#8220;&#8230;&#8221;) \u060c \u0646\u0642\u0644 \u0642\u0648\u0644 \u0647\u0627\u06cc \u0645\u0636\u0627\u0639\u0641 (&#8220;&#8230;&#8221;) \u06cc\u0627 backticks (<code>...<\/code> &#8211; \u0627\u0644\u06af\u0648\u06cc \u0627\u0644\u06af\u0648\u06cc).<\/li>\n<li>\n<strong>\u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647<\/strong>: \u0630\u062e\u06cc\u0631\u0647 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0645\u062a\u0646\u06cc \u0645\u0627\u0646\u0646\u062f \u0646\u0627\u0645 \u060c \u062a\u0648\u0636\u06cc\u062d\u0627\u062a \u060c \u067e\u06cc\u0627\u0645 \u0647\u0627 \u06cc\u0627 \u0647\u0631\u06af\u0648\u0646\u0647 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0645\u062a\u0646\u06cc.<\/li>\n<li>\n<strong>\u062a\u0631\u06a9\u06cc\u0628\u0627\u062a<\/strong>: \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0647\u0631 \u062a\u0631\u06a9\u06cc\u0628\u06cc \u0627\u0632 \u0634\u062e\u0635\u06cc\u062a \u0647\u0627 \u060c \u0627\u0639\u062f\u0627\u062f \u0648 \u0646\u0645\u0627\u062f\u0647\u0627 \u0631\u0627 \u0639\u0645\u0644\u0627\u064b \u0646\u06af\u0647 \u062f\u0627\u0631\u062f.\n<\/li>\n<\/ul>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>let greeting = \"Hello, world!\";\nlet userName=\"Alice123\";\nlet message = `Welcome back, ${userName}!`; \/\/ Template literal with variable interpolation\n\nconsole.log(greeting);\nconsole.log(userName);\nconsole.log(message);\nconsole.log(typeof greeting); \/\/ Output: \"string\"\n\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p><em>\u0627\u0644\u06af\u0648\u06cc \u0627\u0644\u06af\u0648\u06cc (\u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u067e\u0634\u062a\u06cc) \u0628\u0647 \u0648\u06cc\u0698\u0647 \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u0647\u0633\u062a\u0646\u062f \u0632\u06cc\u0631\u0627 \u0627\u0645\u06a9\u0627\u0646 \u0631\u0634\u062a\u0647 \u0647\u0627\u06cc \u0686\u0646\u062f \u062e\u0637\u06cc \u0648 \u0639\u0628\u0627\u0631\u0627\u062a \u062a\u0639\u0628\u06cc\u0647 \u0634\u062f\u0647 \u0631\u0627 \u0645\u0633\u062a\u0642\u06cc\u0645\u0627\u064b \u062f\u0631 \u062f\u0627\u062e\u0644 \u0631\u0634\u062a\u0647 \u0641\u0631\u0627\u0647\u0645 \u0645\u06cc \u06a9\u0646\u062f.<\/em><\/p>\n<h3><span class=\"ez-toc-section\" id=\"%D8%B4%D9%85%D8%A7%D8%B1%D9%87_2\"><\/span>\n<p>  <strong>\u0634\u0645\u0627\u0631\u0647 2<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>\n<strong>\u0645\u0642\u0627\u06cc\u0633\u0647<\/strong>: \u06cc\u06a9 \u062c\u0639\u0628\u0647 \u0645\u062d\u06a9\u0645 \u0628\u0631\u0627\u06cc \u0627\u0646\u0648\u0627\u0639 \u0686\u0647\u0631\u0647 \u0647\u0627\u06cc \u0639\u062f\u062f\u06cc.<\/li>\n<li>\n<strong>\u062a\u0639\u0631\u06cc\u0641<\/strong>: \u0645\u0642\u0627\u062f\u06cc\u0631 \u0639\u062f\u062f\u06cc \u0631\u0627 \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f \u060c \u0627\u0632 \u062c\u0645\u0644\u0647 \u0639\u062f\u062f \u0635\u062d\u06cc\u062d \u0648 \u0634\u0645\u0627\u0631\u0647 \u0647\u0627\u06cc \u0646\u0642\u0637\u0647 \u0634\u0646\u0627\u0648\u0631 (\u0627\u0639\u0634\u0627\u0631). JavaScript \u0641\u0642\u0637 \u06cc\u06a9 \u0646\u0648\u0639 \u0634\u0645\u0627\u0631\u0647 \u0628\u0631\u0627\u06cc \u0647\u0631 \u062f\u0648 \u062f\u0627\u0631\u062f.<\/li>\n<li>\n<strong>\u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647<\/strong>: \u0630\u062e\u06cc\u0631\u0647 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0639\u062f\u062f\u06cc \u0645\u0627\u0646\u0646\u062f \u0633\u0646\u06cc\u0646 \u060c \u0642\u06cc\u0645\u062a \u0647\u0627 \u060c \u0646\u0645\u0631\u0627\u062a \u06cc\u0627 \u0647\u0631 \u062f\u0627\u062f\u0647 \u0645\u0648\u0631\u062f \u0646\u06cc\u0627\u0632 \u0628\u0631\u0627\u06cc \u0645\u062d\u0627\u0633\u0628\u0627\u062a.<\/li>\n<li>\n<strong>\u062f\u0627\u0645\u0646\u0647 \u0648 \u0645\u0642\u0627\u062f\u06cc\u0631 \u062e\u0627\u0635<\/strong>: \u0627\u0639\u062f\u0627\u062f JavaScript \u062f\u0627\u0631\u0627\u06cc \u0637\u06cc\u0641 \u06af\u0633\u062a\u0631\u062f\u0647 \u0627\u06cc \u0647\u0633\u062a\u0646\u062f \u0627\u0645\u0627 \u0645\u0642\u0627\u062f\u06cc\u0631 \u062e\u0627\u0635\u06cc \u0631\u0627 \u0646\u06cc\u0632 \u062f\u0631 \u0628\u0631 \u0645\u06cc \u06af\u06cc\u0631\u0646\u062f:<\/p>\n<ul>\n<li>Infinity (\u0648 -Infinity): \u0628\u06cc\u0627\u0646\u06af\u0631 \u0628\u06cc \u0646\u0647\u0627\u06cc\u062a \u0631\u06cc\u0627\u0636\u06cc \u0627\u0633\u062a.<\/li>\n<li>\u0646\u0627\u0646: \u0645\u062e\u0641\u0641 &#8220;\u0646\u0647 \u06cc\u06a9 \u0634\u0645\u0627\u0631\u0647&#8221; \u0627\u0633\u062a. \u0627\u06cc\u0646 \u0646\u0627\u0634\u06cc \u0627\u0632 \u0639\u0645\u0644\u06cc\u0627\u062a\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0646\u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0646\u062a\u06cc\u062c\u0647 \u0639\u062f\u062f\u06cc \u0645\u0639\u0646\u06cc \u062f\u0627\u0631 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u062f (\u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644 \u060c 0\/0 \u06cc\u0627 math.sqrt (-1)).\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>let age = 30;\nlet price = 19.99;\nlet temperature = -5;\nlet notANumber = 0 \/ 0;\n\nconsole.log(age);\nconsole.log(price);\nconsole.log(typeof price); \/\/ Output: \"number\"\nconsole.log(notANumber);   \/\/ Output: NaN\nconsole.log(typeof NaN);   \/\/ Output: \"number\" (Yes, NaN is technically of type number!)\n\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<h3><span class=\"ez-toc-section\" id=\"3_%D8%A8%D9%88%D9%84%DB%8C\"><\/span>\n<p>  <strong>3. \u0628\u0648\u0644\u06cc<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>\n<strong>\u0645\u0642\u0627\u06cc\u0633\u0647<\/strong>: \u0633\u0648\u0626\u06cc\u0686 \u06a9\u0647 \u0641\u0642\u0637 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0631\u0648\u0634\u0646 \u06cc\u0627 \u062e\u0627\u0645\u0648\u0634 \u0628\u0627\u0634\u062f.<\/li>\n<li>\n<strong>\u0627\u0631\u0632\u0634 \u0647\u0627<\/strong>: \u0641\u0642\u0637 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u06cc\u06a9\u06cc \u0627\u0632 \u062f\u0648 \u0645\u0642\u062f\u0627\u0631 \u0631\u0627 \u0646\u06af\u0647 \u062f\u0627\u0631\u062f: \u062f\u0631\u0633\u062a \u06cc\u0627 \u0646\u0627\u062f\u0631\u0633\u062a.<\/li>\n<li>\n<strong>\u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647<\/strong>: \u062a\u0635\u0645\u06cc\u0645 \u06af\u06cc\u0631\u06cc \u062f\u0631 \u06a9\u062f \u062e\u0648\u062f \u060c \u06a9\u0646\u062a\u0631\u0644 \u062c\u0631\u06cc\u0627\u0646 \u0628\u0631\u0646\u0627\u0645\u0647 (\u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644 \u060c \u062f\u0631 \u0635\u0648\u0631\u062a \u0628\u06cc\u0627\u0646\u06cc\u0647 \u06cc\u0627 \u062d\u0644\u0642\u0647) \u0648 \u0646\u0645\u0627\u06cc\u0646\u062f\u06af\u06cc \u062d\u0627\u0644\u0627\u062a \u0645\u0646\u0637\u0642\u06cc.\n<\/li>\n<\/ul>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>let isLoggedIn = true;\nlet hasPermission = false;\nlet isAdult = age &gt;= 18; \/\/ This expression evaluates to a boolean\n\nconsole.log(isLoggedIn);    \/\/ Output: true\nconsole.log(typeof isLoggedIn); \/\/ Output: \"boolean\"\nconsole.log(isAdult);       \/\/ Output: true (if age is 30)\n\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<h3><span class=\"ez-toc-section\" id=\"4\"><\/span>\n<p>  <strong>4<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>\n<strong>\u0645\u0642\u0627\u06cc\u0633\u0647<\/strong>: \u06cc\u06a9 \u062c\u0639\u0628\u0647 \u0639\u0645\u062f\u0627\u064b \u062e\u0627\u0644\u06cc \u060c \u0628\u0647 \u0648\u0636\u0648\u062d \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 &#8220;\u062e\u0627\u0644\u06cc&#8221; \u0645\u0634\u062e\u0635 \u0634\u062f\u0647 \u0627\u0633\u062a.<\/li>\n<li>\n<strong>\u0627\u0631\u0632\u0634<\/strong>: \u0641\u0642\u0637 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u062f\u0627\u0631\u062f: \u062a\u0647\u06cc.<\/li>\n<li>\n<strong>\u0645\u0639\u0646\u06cc<\/strong>: \u0639\u062f\u0645 \u0648\u062c\u0648\u062f \u0639\u0645\u062f\u06cc \u0647\u0631 \u0645\u0642\u062f\u0627\u0631 \u0634\u06cc\u0621 \u06cc\u0627 \u06cc\u06a9 \u063a\u06cc\u0631 \u0627\u0631\u0632\u0634 \u0639\u0645\u062f\u06cc \u0631\u0627 \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f. \u0627\u06cc\u0646 \u0627\u063a\u0644\u0628 \u062a\u0648\u0633\u0637 \u06cc\u06a9 \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633 \u0627\u062e\u062a\u0635\u0627\u0635 \u062f\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f \u062a\u0627 \u0646\u0634\u0627\u0646 \u062f\u0647\u062f \u06a9\u0647 \u06cc\u06a9 \u0645\u062a\u063a\u06cc\u0631 \u0646\u0628\u0627\u06cc\u062f \u0645\u0642\u062f\u0627\u0631\u06cc \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f.<\/li>\n<li>\n<strong>\u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647<\/strong>: \u0647\u0646\u06af\u0627\u0645\u06cc \u06a9\u0647 \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u062f \u0635\u0631\u06cc\u062d\u0627\u064b \u0628\u06cc\u0627\u0646 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u06cc\u06a9 \u0645\u062a\u063a\u06cc\u0631 \u062f\u0627\u0631\u0627\u06cc \u0627\u0631\u0632\u0634 \u0646\u06cc\u0633\u062a \u060c \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.\n<\/li>\n<\/ul>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>let selectedUser = null; \/\/ No user is selected yet\nconsole.log(selectedUser);    \/\/ Output: null\nconsole.log(typeof selectedUser); \/\/ Output: \"object\" (This is a long-standing quirk in JavaScript!)\n\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p><em>\u0627\u0632 \u0646\u0648\u0639 \u0628\u0627\u0632\u06af\u0634\u062a \u062a\u0647\u06cc &#8220;\u0634\u06cc&#8221; \u0622\u06af\u0627\u0647 \u0628\u0627\u0634\u06cc\u062f. \u0627\u06cc\u0646 \u06cc\u06a9 \u0627\u0634\u06a9\u0627\u0644 \u062a\u0627\u0631\u06cc\u062e\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0628\u0631\u0627\u06cc \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0627\u0632 \u0634\u06a9\u0633\u062a\u0646 \u06a9\u062f \u0645\u0648\u062c\u0648\u062f \u062b\u0627\u0628\u062a \u0646\u0634\u062f\u0647 \u0627\u0633\u062a.<\/em><\/p>\n<h3><span class=\"ez-toc-section\" id=\"5_%D8%AA%D8%B9%D8%B1%DB%8C%D9%81_%D9%86%D8%B4%D8%AF%D9%87\"><\/span>\n<p>  <strong>5. \u062a\u0639\u0631\u06cc\u0641 \u0646\u0634\u062f\u0647<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>\n<strong>\u0645\u0642\u0627\u06cc\u0633\u0647<\/strong>: \u062c\u0639\u0628\u0647 \u0627\u06cc \u06a9\u0647 \u0647\u0646\u0648\u0632 \u0686\u06cc\u0632\u06cc \u062f\u0627\u062f\u0647 \u0646\u0634\u062f\u0647 \u0627\u0633\u062a \u060c \u0645\u062d\u062a\u0648\u0627\u06cc \u0622\u0646 \u0646\u0627\u0634\u0646\u0627\u062e\u062a\u0647 \u0627\u0633\u062a.<\/li>\n<li>\n<strong>\u0627\u0631\u0632\u0634<\/strong>: \u0641\u0642\u0637 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u062f\u0627\u0631\u062f: \u062a\u0639\u0631\u06cc\u0641 \u0646\u0634\u062f\u0647.<\/li>\n<li>\n<strong>\u0645\u0639\u0646\u06cc<\/strong>: \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f \u06a9\u0647 \u06cc\u06a9 \u0645\u062a\u063a\u06cc\u0631 \u0627\u0639\u0644\u0627\u0645 \u0634\u062f\u0647 \u0627\u0633\u062a \u0627\u0645\u0627 \u0647\u0646\u0648\u0632 \u0628\u0647 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u0627\u062e\u062a\u0635\u0627\u0635 \u062f\u0627\u062f\u0647 \u0646\u0634\u062f\u0647 \u0627\u0633\u062a. \u0627\u06cc\u0646 \u0647\u0645\u0686\u0646\u06cc\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0646\u062a\u06cc\u062c\u0647 \u06a9\u0627\u0631\u06a9\u0631\u062f\u0647\u0627\u06cc\u06cc \u0628\u0627\u0634\u062f \u06a9\u0647 \u0635\u0631\u06cc\u062d\u0627\u064b \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u0631\u0627 \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u0646\u062f.<\/li>\n<li>\n<strong>\u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647<\/strong>: \u0627\u06cc\u0646 \u0627\u063a\u0644\u0628 \u062d\u0627\u0644\u062a \u067e\u06cc\u0634 \u0641\u0631\u0636 \u0645\u062a\u063a\u06cc\u0631\u0647\u0627\u06cc \u063a\u06cc\u0631\u0642\u0627\u0646\u0648\u0646\u06cc \u0627\u0633\u062a.\n<\/li>\n<\/ul>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>let userEmail; \/\/ Declared but not assigned\nconsole.log(userEmail);    \/\/ Output: undefined\nconsole.log(typeof userEmail); \/\/ Output: \"undefined\"\n\nfunction doNothing() {\n    \/\/ This function doesn't return anything\n}\nconsole.log(doNothing()); \/\/ Output: undefined\n\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<ul>\n<li>\n<strong>\u062a\u0647\u06cc \u062f\u0631 \u0645\u0642\u0627\u0628\u0644 \u062a\u0639\u0631\u06cc\u0641 \u0646\u0634\u062f\u0647<\/strong>:<\/p>\n<ul>\n<li>\u062a\u0639\u0631\u06cc\u0641 \u0646\u0634\u062f\u0647 \u0628\u0647 \u0637\u0648\u0631 \u0645\u0639\u0645\u0648\u0644 \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0639\u0646\u06cc \u0627\u0633\u062a \u06a9\u0647 \u06cc\u06a9 \u0645\u062a\u063a\u06cc\u0631 \u0627\u0639\u0644\u0627\u0645 \u0634\u062f\u0647 \u0627\u0633\u062a \u0627\u0645\u0627 \u0647\u0646\u0648\u0632 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u062f\u0627\u062f\u0647 \u0646\u0634\u062f\u0647 \u0627\u0633\u062a \u060c \u06cc\u0627 \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u0631\u0627 \u0628\u0627\u0632\u06af\u0631\u062f\u0627\u0646\u062f. \u0627\u06cc\u0646 \u0627\u063a\u0644\u0628 \u0628\u0647 \u0637\u0648\u0631 \u067e\u06cc\u0634 \u0641\u0631\u0636 JavaScript \u0627\u0633\u062a.<\/li>\n<li>NULL \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u0648\u0627\u06af\u0630\u0627\u0631\u06cc \u0627\u0633\u062a. \u0627\u06cc\u0646 \u0628\u062f\u0627\u0646 \u0645\u0639\u0646\u0627\u0633\u062a \u06a9\u0647 \u0634\u0645\u0627 \u060c \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633 \u060c \u0639\u0645\u062f\u0627\u064b \u0645\u062a\u063a\u06cc\u0631 \u0631\u0627 \u062a\u0646\u0638\u06cc\u0645 \u06a9\u0631\u062f\u0647 \u0627\u06cc\u062f \u062a\u0627 \u0647\u06cc\u0686 \u0627\u0631\u0632\u0634\u06cc \u0646\u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"6_BIGINT\"><\/span>\n<p>  <strong>6. BIGINT<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>\n<strong>\u0645\u0642\u0627\u06cc\u0633\u0647<\/strong>: \u06cc\u06a9 \u062c\u0639\u0628\u0647 \u0641\u0648\u0642 \u0627\u0644\u0639\u0627\u062f\u0647 \u0628\u0632\u0631\u06af \u0648 \u062a\u0642\u0648\u06cc\u062a \u0634\u062f\u0647 \u0628\u0647 \u0637\u0648\u0631 \u062e\u0627\u0635 \u0628\u0631\u0627\u06cc \u062a\u0639\u062f\u0627\u062f \u0641\u0648\u0642 \u0627\u0644\u0639\u0627\u062f\u0647 \u0639\u0638\u06cc\u0645.<\/li>\n<li>\n<strong>\u062a\u0639\u0631\u06cc\u0641<\/strong>: \u0645\u0639\u0631\u0641\u06cc \u0634\u062f\u0647 \u062f\u0631 ES2020 (ES11) \u060c BigInt \u0628\u0631\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647 \u0648 \u062f\u0633\u062a\u06a9\u0627\u0631\u06cc \u0639\u062f\u062f \u0635\u062d\u06cc\u062d \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f \u06a9\u0647 \u0628\u0633\u06cc\u0627\u0631 \u0628\u0632\u0631\u06af \u0647\u0633\u062a\u0646\u062f \u062a\u0627 \u062a\u0648\u0633\u0637 \u0646\u0648\u0639 \u062f\u0627\u062f\u0647 \u0634\u0645\u0627\u0631\u0647 \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f \u0627\u0631\u0627\u0626\u0647 \u0634\u0648\u0646\u062f. \u0634\u0645\u0627 \u0628\u0627 \u0627\u0641\u0632\u0648\u062f\u0646 n \u0628\u0647 \u0627\u0646\u062a\u0647\u0627\u06cc \u06cc\u06a9 \u0639\u062f\u062f \u0635\u062d\u06cc\u062d \u06cc\u0627 \u0628\u0627 \u062a\u0645\u0627\u0633 \u0628\u0627 \u0633\u0627\u0632\u0646\u062f\u0647 BigInt () \u060c \u06cc\u06a9 bigint \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u06cc\u062f.<\/li>\n<li>\n<strong>\u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647<\/strong>: \u06a9\u0627\u0631 \u0628\u0627 \u0627\u0639\u062f\u0627\u062f \u0635\u062d\u06cc\u062d \u0628\u0633\u06cc\u0627\u0631 \u0628\u0632\u0631\u06af \u060c \u0645\u0627\u0646\u0646\u062f \u0645\u0648\u0627\u0631\u062f \u0645\u0648\u062c\u0648\u062f \u062f\u0631 \u0631\u0645\u0632\u0646\u06af\u0627\u0631\u06cc \u060c \u0632\u0645\u0627\u0646 \u0628\u0646\u062f\u06cc \u0628\u0627 \u062f\u0642\u062a \u0628\u0627\u0644\u0627 \u06cc\u0627 \u0647\u0646\u06af\u0627\u0645 \u0628\u0631\u062e\u0648\u0631\u062f \u0628\u0627 \u0634\u0646\u0627\u0633\u0647 \u0647\u0627\u06cc \u0628\u0632\u0631\u06af \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647.\n<\/li>\n<\/ul>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>const veryLargeNumber = 1234567890123456789012345678901234567890n;\nconst anotherLargeNumber = BigInt(\"987654321098765432109876543210\");\n\nconsole.log(veryLargeNumber);\nconsole.log(typeof veryLargeNumber); \/\/ Output: \"bigint\"\n\n\/\/ Cannot mix Number and BigInt in most operations directly\n\/\/ console.log(veryLargeNumber + 10); \/\/ This would cause an error\nconsole.log(veryLargeNumber + 10n); \/\/ This works\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<h3><span class=\"ez-toc-section\" id=\"7_%D9%86%D9%85%D8%A7%D8%AF\"><\/span>\n<p>  <strong>7. \u0646\u0645\u0627\u062f<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>\n<strong>\u0645\u0642\u0627\u06cc\u0633\u0647<\/strong>: \u06cc\u06a9 \u0634\u0645\u0627\u0631\u0647 \u0633\u0631\u06cc\u0627\u0644 \u0645\u0646\u062d\u0635\u0631 \u0628\u0647 \u0641\u0631\u062f \u06cc\u0627 \u06cc\u06a9 \u06a9\u0644\u06cc\u062f \u0645\u062e\u0641\u06cc \u0628\u0631\u0627\u06cc \u06cc\u06a9 \u062c\u0639\u0628\u0647 \u060c \u062d\u062a\u06cc \u0627\u06af\u0631 \u062c\u0639\u0628\u0647 \u0647\u0627\u06cc \u062f\u06cc\u06af\u0631 \u062f\u0627\u0631\u0627\u06cc \u0628\u0631\u0686\u0633\u0628 \u0647\u0627\u06cc \u06cc\u06a9\u0633\u0627\u0646 \u0628\u0627\u0634\u0646\u062f.<\/li>\n<li>\n<strong>\u062a\u0639\u0631\u06cc\u0641<\/strong>: \u0645\u0639\u0631\u0641\u06cc \u0634\u062f\u0647 \u062f\u0631 ES6 (ES2015) \u060c \u0646\u0645\u0627\u062f\u0647\u0627 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0627\u0628\u062a\u062f\u0627\u06cc\u06cc \u0645\u0646\u062d\u0635\u0631 \u0628\u0647 \u0641\u0631\u062f \u0648 \u062a\u063a\u06cc\u06cc\u0631 \u0646\u0627\u067e\u0630\u06cc\u0631 \u0647\u0633\u062a\u0646\u062f. \u0647\u0631 \u0628\u0627\u0631 \u06a9\u0647 \u0646\u0645\u0627\u062f () \u0631\u0627 \u0635\u062f\u0627 \u0645\u06cc \u06a9\u0646\u06cc\u062f \u060c \u06cc\u06a9 \u0646\u0645\u0627\u062f \u062c\u062f\u06cc\u062f \u0648 \u0645\u0646\u062d\u0635\u0631 \u0628\u0647 \u0641\u0631\u062f \u062f\u0631\u06cc\u0627\u0641\u062a \u0645\u06cc \u06a9\u0646\u06cc\u062f.<\/li>\n<li>\n<strong>\u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647<\/strong>: \u062f\u0631 \u062f\u0631\u062c\u0647 \u0627\u0648\u0644 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06a9\u0644\u06cc\u062f\u0647\u0627\u06cc \u062e\u0627\u0635\u06cc\u062a \u0645\u0646\u062d\u0635\u0631 \u0628\u0647 \u0641\u0631\u062f \u0628\u0631\u0627\u06cc \u0627\u0634\u06cc\u0627\u0621 \u0628\u0631\u0627\u06cc \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0627\u0632 \u0646\u0627\u0645\u06af\u0630\u0627\u0631\u06cc \u062f\u0631 \u0628\u0631\u062e\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f. \u0627\u06cc\u0646 \u0628\u06cc\u0634\u062a\u0631 \u06cc\u06a9 \u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u067e\u06cc\u0634\u0631\u0641\u062a\u0647 \u0627\u0633\u062a \u060c \u0627\u0645\u0627 \u062e\u0648\u0628 \u0627\u0633\u062a \u06a9\u0647 \u0628\u062f\u0627\u0646\u06cc\u062f \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f.\n<\/li>\n<\/ul>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>const id1 = Symbol(\"id\");\nconst id2 = Symbol(\"id\");\n\nconsole.log(id1 === id2);    \/\/ Output: false (they are unique)\nconsole.log(typeof id1);     \/\/ Output: \"symbol\"\n\nlet user = {\n    name: \"John\",\n    [id1]: \"User ID 123\" \/\/ Using a symbol as an object property key\n};\nconsole.log(user[id1]); \/\/ Output: \"User ID 123\"\n\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"%D8%A8%D8%B1%D8%B1%D8%B3%DB%8C_%D8%A7%D9%86%D9%88%D8%A7%D8%B9_%D8%AF%D8%A7%D8%AF%D9%87_%D9%87%D8%A7_%D8%A7%D9%BE%D8%B1%D8%A7%D8%AA%D9%88%D8%B1_%D9%86%D9%88%D8%B9\"><\/span>\n<p>  <strong>\u0628\u0631\u0631\u0633\u06cc \u0627\u0646\u0648\u0627\u0639 \u062f\u0627\u062f\u0647 \u0647\u0627: \u0627\u067e\u0631\u0627\u062a\u0648\u0631 \u0646\u0648\u0639<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u062f\u0631 \u0645\u062b\u0627\u0644\u0647\u0627 \u0645\u0634\u0627\u0647\u062f\u0647 \u06a9\u0631\u062f\u06cc\u0645 \u060c JavaScript \u0627\u067e\u0631\u0627\u062a\u0648\u0631 \u0646\u0648\u0639 \u0631\u0627 \u0628\u0631\u0627\u06cc \u06cc\u0627\u0641\u062a\u0646 \u0646\u0648\u0639 \u062f\u0627\u062f\u0647 \u06cc\u06a9 \u0645\u062a\u063a\u06cc\u0631 \u06cc\u0627 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc \u062f\u0647\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>console.log(typeof \"Hello\");      \/\/ \"string\"\nconsole.log(typeof 100);          \/\/ \"number\"\nconsole.log(typeof true);         \/\/ \"boolean\"\nconsole.log(typeof undefined);    \/\/ \"undefined\"\nconsole.log(typeof null);         \/\/ \"object\" (the quirk!)\nconsole.log(typeof 123n);         \/\/ \"bigint\"\nconsole.log(typeof Symbol(\"key\"));\/\/ \"symbol\"\nconsole.log(typeof {a: 1});       \/\/ \"object\" (we'll cover objects soon!)\nconsole.log(typeof [1, 2, 3]);    \/\/ \"object\" (arrays are a type of object)\nconsole.log(typeof function(){}); \/\/ \"function\" (functions are also objects)\n\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"%DA%86%D8%B1%D8%A7_%D8%A7%D9%86%D9%88%D8%A7%D8%B9_%D8%AF%D8%A7%D8%AF%D9%87_%D9%87%D8%A7_%D8%A7%D9%87%D9%85%DB%8C%D8%AA_%D8%AF%D8%A7%D8%B1%D9%86%D8%AF%D8%9F_%D8%A7%D9%87%D9%85%DB%8C%D8%AA_%D8%AF%D8%A7%D9%86%D8%B3%D8%AA%D9%86\"><\/span>\n<p>  <strong>\u0686\u0631\u0627 \u0627\u0646\u0648\u0627\u0639 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0627\u0647\u0645\u06cc\u062a \u062f\u0627\u0631\u0646\u062f\u061f \u0627\u0647\u0645\u06cc\u062a \u062f\u0627\u0646\u0633\u062a\u0646<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0628\u06cc\u0627\u0646\u06cc\u0647 \u0627\u0631\u0627\u0626\u0647 \u0634\u062f\u0647 \u0634\u0645\u0627 \u0622\u0646 \u0631\u0627 \u0628\u0647 \u062e\u0648\u0628\u06cc \u062e\u0644\u0627\u0635\u0647 \u0645\u06cc \u06a9\u0646\u062f: &#8220;\u062f\u0627\u0646\u0633\u062a\u0646 \u0627\u06cc\u0646\u06a9\u0647 \u0686\u0647 \u0632\u0645\u0627\u0646\u06cc \u0648 \u0627\u0632 \u06a9\u062c\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0647\u0631 \u0646\u0648\u0639 \u062f\u0627\u062f\u0647 \u060c \u06a9\u062f\u06af\u0630\u0627\u0631\u06cc \u06a9\u0627\u0631\u0622\u0645\u062f\u062a\u0631 \u0648 \u0645\u0624\u062b\u0631\u062a\u0631 \u0631\u0627 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u062f. \u0647\u0631 \u0642\u0637\u0639\u0647 \u0627\u0637\u0644\u0627\u0639\u0627\u062a (\u0645\u0642\u062f\u0627\u0631)&#8221; \u062f\u0627\u062f\u0647 &#8220;\u0627\u0633\u062a \u0648 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0645\u062e\u062a\u0644\u0641 \u0628\u0647 \u0631\u0648\u0634\u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u0630\u062e\u06cc\u0631\u0647 \u0633\u0627\u0632\u06cc \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u0646\u062f \u0648 \u0639\u0645\u0644\u06cc\u0627\u062a \u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641\u06cc \u0631\u0627 \u0627\u0645\u06a9\u0627\u0646 \u067e\u0630\u06cc\u0631 \u0645\u06cc \u06a9\u0646\u0646\u062f.&#8221;<\/p>\n<ul>\n<li>\n<strong>\u0639\u0645\u0644\u06cc\u0627\u062a \u0635\u062d\u06cc\u062d<\/strong>: \u0634\u0645\u0627 \u0646\u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0641\u0632\u0648\u062f\u0646 \u0631\u06cc\u0627\u0636\u06cc \u0631\u0627 \u062f\u0631 \u062f\u0648 \u0631\u0634\u062a\u0647 \u0645\u0639\u0645\u0648\u0644\u06cc \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u062f \u0648 \u0627\u0646\u062a\u0638\u0627\u0631 \u06cc\u06a9 \u0645\u0628\u0644\u063a \u0639\u062f\u062f\u06cc \u0631\u0627 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f (\u0647\u0631\u0686\u0646\u062f \u06a9\u0647 \u0647\u0645\u0627\u0647\u0646\u06af\u06cc \u0631\u0634\u062a\u0647 \u0627\u06cc \u0627\u062a\u0641\u0627\u0642 \u0645\u06cc \u0627\u0641\u062a\u062f). \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0646\u0648\u0639 \u0635\u062d\u06cc\u062d \u060c \u0639\u0645\u0644\u06cc\u0627\u062a \u0631\u0627 \u0645\u0637\u0627\u0628\u0642 \u0622\u0646\u0686\u0647 \u0627\u0646\u062a\u0638\u0627\u0631 \u0645\u06cc \u0631\u0648\u062f \u060c \u062a\u0636\u0645\u06cc\u0646 \u0645\u06cc \u06a9\u0646\u062f.<\/li>\n<li>\n<strong>\u06a9\u0627\u0631\u0627\u06cc\u06cc<\/strong>: \u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u06a9\u0645\u062a\u0631 \u0627\u0632 \u0646\u06af\u0631\u0627\u0646\u06cc \u062f\u0633\u062a\u06cc \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0646\u0633\u0628\u062a \u0628\u0647 \u0628\u0631\u062e\u06cc \u0627\u0632 \u0632\u0628\u0627\u0646\u0647\u0627\u06cc \u062f\u06cc\u06af\u0631 \u060c \u062f\u0631\u06a9 \u0627\u0646\u0648\u0627\u0639 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0628\u0647 \u0637\u0648\u0631 \u063a\u06cc\u0631\u0645\u0633\u062a\u0642\u06cc\u0645 \u0628\u0647 \u0627\u0644\u06af\u0648\u0647\u0627\u06cc \u06a9\u062f \u06a9\u0627\u0631\u0622\u0645\u062f\u062a\u0631 \u0645\u0646\u062c\u0631 \u0634\u0648\u062f.<\/li>\n<li>\n<strong>\u067e\u06cc\u0634\u06af\u06cc\u0631\u06cc \u0627\u0632 \u0627\u0634\u06a9\u0627\u0644\u0627\u062a \u067e\u06cc\u0634\u06af\u06cc\u0631\u06cc \u0627\u0632 \u0627\u0634\u06a9\u0627\u0644\u0627\u062a<\/strong>: \u062e\u0637\u0627\u0647\u0627\u06cc \u0646\u0648\u0639 \u0645\u0646\u0628\u0639 \u0645\u0634\u062a\u0631\u06a9 \u0627\u0634\u06a9\u0627\u0644\u0627\u062a \u0647\u0633\u062a\u0646\u062f. \u062f\u0631\u06a9 \u0627\u0646\u0648\u0627\u0639 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0628\u0647 \u0634\u0645\u0627 \u06a9\u0645\u06a9 \u0645\u06cc \u06a9\u0646\u062f \u062a\u0627 \u0627\u0632 \u0627\u06cc\u0646 \u0645\u0648\u0627\u0631\u062f \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0648 \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u06a9\u0646\u06cc\u062f. \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644 \u060c \u062a\u0644\u0627\u0634 \u0628\u0631\u0627\u06cc \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u06cc\u06a9 \u0631\u0648\u0634 \u0631\u0634\u062a\u0647 \u0628\u0631 \u0631\u0648\u06cc \u06cc\u06a9 \u0639\u062f\u062f \u0628\u0627\u0639\u062b \u0627\u06cc\u062c\u0627\u062f \u062e\u0637\u0627\u06cc\u06cc \u062e\u0648\u0627\u0647\u062f \u0634\u062f.<\/li>\n<li>\n<strong>\u062e\u0648\u0627\u0646\u0627\u06cc\u06cc<\/strong>: \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u0646\u0648\u0627\u0639 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0628\u0647 \u0637\u0648\u0631 \u0645\u0646\u0627\u0633\u0628 \u062f\u0631\u06a9 \u06a9\u062f \u0634\u0645\u0627 \u0631\u0627 \u0622\u0633\u0627\u0646 \u062a\u0631 \u0645\u06cc \u06a9\u0646\u062f.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Beyond_Primitives_%DB%8C%DA%A9_%DB%8C%D8%A7%D8%AF%D8%AF%D8%A7%D8%B4%D8%AA_%D8%B3%D8%B1%DB%8C%D8%B9_%D8%AF%D8%B1_%D9%85%D9%88%D8%B1%D8%AF_%D8%A7%D8%B4%DB%8C%D8%A7%D8%A1\"><\/span>\n<p>  <strong>Beyond Primitives: \u06cc\u06a9 \u06cc\u0627\u062f\u062f\u0627\u0634\u062a \u0633\u0631\u06cc\u0639 \u062f\u0631 \u0645\u0648\u0631\u062f \u0627\u0634\u06cc\u0627\u0621<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u0645\u0627 \u0631\u0648\u06cc \u0627\u0646\u0648\u0627\u0639 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0627\u0628\u062a\u062f\u0627\u06cc\u06cc \u0645\u062a\u0645\u0631\u06a9\u0632 \u0634\u062f\u0647 \u0627\u06cc\u0645 \u060c \u0645\u0647\u0645 \u0627\u0633\u062a \u06a9\u0647 \u0628\u062f\u0627\u0646\u06cc\u0645 JavaScript \u06cc\u06a9 \u0646\u0648\u0639 \u062f\u0627\u062f\u0647 \u067e\u06cc\u0686\u06cc\u062f\u0647 \u0628\u0647 \u0646\u0627\u0645 \u062f\u0627\u0631\u062f <strong>\u0627\u0639\u062a\u0631\u0627\u0636<\/strong>\u0628\u0634\u0631 \u0622\u0631\u0627\u06cc\u0647 \u0647\u0627 \u060c \u062a\u0648\u0627\u0628\u0639 \u0648 \u0627\u0634\u06cc\u0627\u0621 \u0645\u0639\u0645\u0648\u0644\u06cc (\u0645\u062c\u0645\u0648\u0639\u0647 \u062c\u0641\u062a \u0647\u0627\u06cc \u0627\u0631\u0632\u0634 \u06a9\u0644\u06cc\u062f\u06cc) \u0647\u0645\u0647 \u062f\u0631 \u0627\u06cc\u0646 \u06af\u0631\u0648\u0647 \u0642\u0631\u0627\u0631 \u0645\u06cc \u06af\u06cc\u0631\u0646\u062f. \u0645\u0627 \u062f\u0631 \u06cc\u06a9 \u067e\u0633\u062a \u0622\u06cc\u0646\u062f\u0647 \u0628\u0647 \u0627\u0639\u0645\u0627\u0642 \u0627\u0634\u06cc\u0627\u0621 \u0634\u06cc\u0631\u062c\u0647 \u062e\u0648\u0627\u0647\u06cc\u0645 \u0632\u062f \u060c \u0632\u06cc\u0631\u0627 \u0622\u0646\u0647\u0627 \u0628\u0631\u0627\u06cc \u0633\u0627\u062e\u062a\u0646 \u0628\u0631\u0646\u0627\u0645\u0647 \u0647\u0627\u06cc \u067e\u06cc\u0686\u06cc\u062f\u0647 \u062a\u0631 \u0627\u0633\u0627\u0633\u06cc \u0647\u0633\u062a\u0646\u062f.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%D9%BE%D8%A7%DB%8C%D8%A7%D9%86\"><\/span>\n<p>  <strong>\u067e\u0627\u06cc\u0627\u0646<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062f\u0631\u06a9 \u0627\u0646\u0648\u0627\u0639 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc JavaScript \u0645\u0627\u0646\u0646\u062f \u06cc\u0627\u062f\u06af\u06cc\u0631\u06cc \u0627\u0646\u0648\u0627\u0639 \u0645\u062e\u062a\u0644\u0641 \u0645\u0648\u0627\u062f \u062f\u0631 \u062f\u0633\u062a\u0631\u0633 \u06cc\u06a9 \u0645\u0639\u0645\u0627\u0631 \u0627\u0633\u062a. \u0631\u0634\u062a\u0647 \u0647\u0627 \u060c \u0627\u0639\u062f\u0627\u062f \u060c \u0628\u0648\u0644 \u0647\u0627 \u060c \u062a\u0647\u06cc \u060c \u062a\u0639\u0631\u06cc\u0641 \u0646\u0634\u062f\u0647 \u060c bigint \u0648 \u0646\u0645\u0627\u062f\u0647\u0627 \u0639\u0646\u0627\u0635\u0631 \u0628\u0646\u06cc\u0627\u062f\u06cc \u0647\u0633\u062a\u0646\u062f \u06a9\u0647 \u0628\u0631\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647 \u060c \u062f\u0633\u062a\u06a9\u0627\u0631\u06cc \u0648 \u062f\u0631\u06a9 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u062f\u0631 \u0628\u0631\u0646\u0627\u0645\u0647 \u0647\u0627\u06cc \u062e\u0648\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u062f.<br \/>\u0628\u0627 \u062f\u0631\u06a9 \u0647\u0631 \u0646\u0648\u0639 \u0648 \u0631\u0641\u062a\u0627\u0631 \u0622\u0646 \u060c \u0634\u0645\u0627 \u0628\u0647 \u062e\u0648\u0628\u06cc \u062f\u0631 \u0631\u0627\u0647 \u0646\u0648\u0634\u062a\u0646 \u06a9\u062f JavaScript \u067e\u0627\u06a9 \u06a9\u0646\u0646\u062f\u0647 \u060c \u0642\u0648\u06cc \u062a\u0631 \u0648 \u0642\u062f\u0631\u062a\u0645\u0646\u062f\u062a\u0631 \u0647\u0633\u062a\u06cc\u062f. \u0628\u0627 \u0645\u062a\u063a\u06cc\u0631\u0647\u0627 \u062a\u0645\u0631\u06cc\u0646 \u06a9\u0646\u06cc\u062f \u0648 \u0627\u0646\u0648\u0627\u0639 \u0645\u062e\u062a\u0644\u0641\u06cc \u0627\u0632 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0631\u0627 \u0628\u0647 \u0622\u0646\u0647\u0627 \u0627\u062e\u062a\u0635\u0627\u0635 \u062f\u0647\u06cc\u062f \u062a\u0627 \u0628\u0628\u06cc\u0646\u06cc\u062f \u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u0646\u062f!<\/p>\n<h4><span class=\"ez-toc-section\" id=\"%D9%85%D9%86%D8%A7%D8%A8%D8%B9\"><\/span>\n<p>  <strong>\u0645\u0646\u0627\u0628\u0639<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u0644\u0648\u0628<\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u0645\u0642\u062f\u0645\u0647 \u062f\u0631 \u0622\u062e\u0631\u06cc\u0646 \u0645\u0627\u062c\u0631\u0627\u062c\u0648\u06cc\u06cc \u0645\u0627 \u060c \u0645\u062a\u063a\u06cc\u0631\u0647\u0627\u06cc JavaScript \u0631\u0627 \u0645\u0648\u0631\u062f \u0628\u0631\u0631\u0633\u06cc \u0642\u0631\u0627\u0631 \u062f\u0627\u062f\u06cc\u0645 &#8211; \u0638\u0631\u0648\u0641 \u0646\u0627\u0645\u06af\u0630\u0627\u0631\u06cc \u0634\u062f\u0647 \u06a9\u0647 \u062f\u0631 \u0628\u0631\u0646\u0627\u0645\u0647 \u0647\u0627\u06cc \u0645\u0627 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u062f\u0627\u0631\u0646\u062f. \u062d\u0627\u0644 \u060c \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0628\u0647 \u062f\u0627\u062e\u0644 \u0622\u0646 \u0638\u0631\u0648\u0641 \u0646\u06af\u0627\u0647 \u06a9\u0646\u06cc\u0645! \u0686\u0647 \u0646\u0648\u0639 \u0627\u0637\u0644\u0627\u0639\u0627\u062a\u06cc \u0631\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646 \u0630\u062e\u06cc\u0631\u0647 \u06a9\u0631\u062f\u061f \u0627\u06cc\u0646\u062c\u0627\u0633\u062a \u0627\u0646\u0648\u0627\u0639 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u06cc\u0627 \u0628\u0627\u0632\u06cc\u062f\u0631 \u06a9\u0627\u0631\u06af\u0627\u0647 \u062f\u06cc\u062c\u06cc\u062a\u0627\u0644 \u062e\u0648\u062f \u0628\u0647 \u0627\u0646\u0648\u0627\u0639 \u062f\u0627\u062f\u0647 &hellip;<\/p>\n","protected":false},"author":2,"featured_media":109852,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[339],"tags":[],"class_list":["post-109851","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dev"],"_links":{"self":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/109851","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/comments?post=109851"}],"version-history":[{"count":0,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/109851\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media\/109852"}],"wp:attachment":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media?parent=109851"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/categories?post=109851"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/tags?post=109851"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}